Results 11 to 20 of about 92,312 (333)

The Impact of Coil Winding Angle on the Force of DC Solenoid Electromagnetic Actuator [PDF]

open access: yesAdvances in Electrical and Electronic Engineering, 2019
This paper presents the research on the influence of coil parameter on the force of DC electromagnetic actuator. The coil parameter discussed in the paper is the angle between the windings.
Eduard Plavec   +2 more
doaj   +4 more sources

Design and Testing of Coils for Pulsed Electromagnetic Forming [PDF]

open access: yes, 2006
Coil design influences the distribution of electromagnetic forces applied to both the blank and the coil. The required energy of the process is usually defined by deformation of the blank. However, the discharge also results in a significant amount of heat being generated and accumulating in the coil. Therefore, EMF process design involves working with
Golovashchenko, S.   +2 more
openaire   +5 more sources

Performance Analysis of Acceleration and Inertial Force of Electromagnetic Suspension Inertial Stabilizer

open access: yesApplied Sciences, 2022
In this paper, the structural characteristics of electromagnetic suspension (EMS) inertial stabilizers are analyzed firstly, and then a mechanical analysis of a single mass block and double mass block is carried out.
Sumei Gao, Longxiang Xu, Chaowu Jin
doaj   +1 more source

Electromagnetic Force Distribution and Axial Deformation Uniformity Analysis of Dual-Coil Electromagnetic Tube Compression Method

open access: yesIEEE Access, 2020
In the conventional electromagnetic tube expansion, axial distribution of the electromagnetic force is not uniform along the workpiece. This results in uneven axial deformation of the deformed tube and restricts the full industrial implementation of this
Li Qiu   +5 more
doaj   +1 more source

Opening characteristics of high current fast switch for DC circuit breaker

open access: yes电力工程技术, 2023
The stability of opening process of fast mechanical switch is the key factor affecting the breaking performance of DC circuit breaker. Based on the finite element method, the multi-field coupling calculation of electromagnetic, thermal and momentum is ...
LAN Jian, FENG Ying, WANG Chengyu
doaj   +1 more source

Experimental testing of the electromagnetic coil – determining the range of electromagnetic coil

open access: yesIOP Conference Series: Materials Science and Engineering, 2018
The principle of steel fibre reinforced concrete structures is a uniform distribution of steel fibers in the given volume (structure or structural element), which, however, is not always possible to guarantee in the production. This is closely related to a problem of performing diagnosis of the existing steel fibre reinforced concrete structures ...
Komárková, Tereza   +3 more
openaire   +3 more sources

Signal-coil calibration of electromagnetic seismometers [PDF]

open access: yesBulletin of the Seismological Society of America, 1995
AbstractWe show that electromagnetic (em) seismometers may be easily and accurately calibrated by removing a step of current from their signal coil, and simultaneously switching the signal coil to a recorder to capture the response. A theory is developed that obtains the damped generator constant, resonant frequency, and damping ratio from the output ...
Aaron J. Martin   +4 more
openaire   +2 more sources

Optimal design of electromagnetic metamaterial electronic device sensor with specific performance based on multivariate big data fusion

open access: yesJournal of Experimental Nanoscience, 2023
As the basic unit structure of electromagnetic metamaterial, the structure size of open resonant ring directly determines the constitutive parameters of SRR (dielectric constant ε and permeability μ). In order to improve the energy exchange efficiency of
Sheng Bi
doaj   +1 more source

Near field shielding of a wireless power transfer (WPT) current coil [PDF]

open access: yes, 2017
The configuration of an infinite planar conductive shield is examined when it is excited by an electromagnetic near field generated by a coil current source as that of a wireless power transfer (WPT) system.
Campi, Tommaso   +3 more
core   +1 more source

Coil Gun Electromagnetic Launcher (EML) System with Multi-stage Electromagnetic Coils

open access: yesJournal of Magnetics, 2013
An electromagnetic launcher (EML) system accelerates and launches a projectile by converting electric energy into kinetic energy. There are two types of EML systems under development: the rail gun and the coil gun. A railgun comprises a pair of parallel conducting rails, along which a sliding armature is accelerated by the electromagnetic effects of a ...
Su-Jeong Lee   +3 more
openaire   +3 more sources

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